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(No Model.)

RfGARTWRIGHT.

Lamp. NO. 227,731 Patented May'IS, I880.

Fzd I.

2 Sheets-Sheet 1 v (No Model.) I 2 sheets she'g-t' 2.

R. CART WRIGHT.

Lamp.

No. 227,731. Pa tented May18,1880.

N-FEfF-RS. PHOTO-LITHDGRAFHER, WASHINGTDN. C.

I UNlTED STATES PATENT 'OFFICEe ROBERT OARTWRIGHT, OF EooHEsTEE, NEWYORK, ASSIGNOR To THE EooHEsTEE ADJUSTABLE LAMP COMPANY, OF SAME PLACE.

LAMP.

SPECIFICATION forming part In Letters Patent No. 227,731, dated May 18,1880. Application filed-March 17,1880. (N0 model.)

Figure 1 is an elevation ofthe lamp, partly in section, arranged as astand-lamp. Fig. 2 is a View at right angles to Fig. 1, showing the lamparranged as a bracket-lamp. Fig. 3 is a bottom view of the base on anenlarged scale.

1- Fig. 4. is a plan of the removable disk of the base.

My improvement relates to combined stand and bracket lamps. r Theinvention consists in an improved construction of the joint in thestandard whereby the lamp maybe turned up in eitherdirection and be heldby a spring piston or follower; and it further consists in anarrangement of parts whereby the interior mechanism can be 2 5 removedand replaced, all as hereinafter more fully described. I

In the drawings, A is the base, B is the stand? ard, and O is thelamp,all of well-known form. The standard is made tubular, and the lamp isconnected with it byabow or yoke,D, attached fast on the under side ofthe lamp and passing laterally. through sockets in the upper end of thestandard, so that said yoke can turn a quarter-revolution in eitherdirection to con- 3 5 vert it from a stand-lamp, as shown in Fig. 1, toa bracket-lamp, as shown in Fig. 2. The portions of the yoke which restin the sides of the standard are cylindrical, to turn readily. E is asquare block attached to the yoke on 4.0 the inside of the tubularstandard and turning with said yoke. I is a piston or follower insidethe tube, and Gris a spring which presses the piston or follower upagainst the block. H is a plug at the lower end of the tube which 4 5supports the springyand K is a removable disk or plate which rests inthe base and supports the plug. Ifdesired, the plug may be dispensedwith, and the spring may rest directly upon the plate. The operationwill be readily understood.

The lamp can readily be turned from the position shown in Fig. 1 to thatshown in Fig. 2 by simply moving it with the hand and without operatingany locking fixture. As the yoke is turned the square block 13) is alsoturned, and its corner pressing on the spring piston or follower 1,forces it back, and as soon as the corner has passed the piston orfollower'presses up to place again and holds firmly against the flatside of the block and retains the lamp in the right-angled position. Thelamp can be turned in either direction with the same result.

By the means above described a simple and secure fastening is producedwhich allows 6 ready adjustment of the lamp and retains the lamp firmlyin either position, and obviates the looseness and insecurity ofordinary looking attachments for the purpose.

The piston or-follower and spring are re- 0 movable by the followingmeans: An opening is made in the base where the standard joins it, sothat the piston or follower and spring can be inserted in the standard.The disk K fits over this opening and rests in a seat of the 7 5 base.The base is provided with three or more inwardly-projecting lugs, a a a,Fig. 3, and the disk K-is provided with three or more correspondingindentations or notches, b b b. To insert the disk in place the notchesb I) are passed over the lugs a a, and the disk is then turned to bringthe notches past the lugs, when the rim of the disk will rest on thelugs and be retainedby them. The disk may be provided with a squarewrench-socket, c, or be otherwise arranged to be easily turned. This isa convenient means for retaining the piston or follower and spring inplace, and al lowing ready removal of the same. The. base is preferablymade of iron, to give suflicient weight, and covered with sheet metal,to present an ornamental appearance; but it may be otherwise made. Onopposite sides, and in plane with the turningmovement of the lamp, aresockets d cl, formed in the rimof the base, 9 5 wide at the innerend butnarrow at the outer end, and so formed as to admit the head of a screw,nail, hook, or other device attached to the wall, by which the lamp issupported. By making these sockets on opposite sides the lamp can beturned up in either direction indifi'erently, as before described, andbe hung on the wall in either position.

Instead of the coiled or spiral spring shown in the drawings, any otherform of spring may be used to act upon the piston or follower, as abovedescribed.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-- 1. In a combined stand and bracket lamp,the combination, with the lamp 0 and standard B, of the squarebearing-block E, attached to the yoke D, resting within the standard,and the piston or follower I and spring G below the block and pressingagainst the same, the

witnesses.

ROBT. GARTWRIGHT. Witnesses R. F. ()SGOOD, H. E. SHAFFER.

